Home / 769,516.34-1,061,930.32-429,984.86

Finding the Fourth Proportional to 769,516.34, 1,061,930.32 and 429,984.86

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Solution

The fourth proportional to 769,516.34, 1,061,930.32 and 429,984.86 is: 593,377.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,516.34 : 1,061,930.32 = 429,984.86 : x
  2. Step 2: Convert to fraction form
    769,516.34/1,061,930.32 = 429,984.86/x
  3. Step 3: Cross multiply
    769,516.34x = 1,061,930.32 × 429,984.86
  4. Step 4: Simplify right side
    769,516.34x = 456,613,953,590.34
  5. Step 5: Solve for x
    x = 456,613,953,590.34/769,516.34
  6. Step 6: Final answer
    x = 593,377.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.